Basic Operations - Boss Audio Systems MR1520UA User Manual

Mp3-compatible in-dash cd am/fm receiver
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6. BASIC OPERATIONS

2) PANEL RELEASE BUTTON (REL)
Press this button to remove the control panel.
1) POWER ON/OFF BUTTON (
Press the POWER button on the front of the unit to turn on the unit. Long press the POWER
button to turn Off the unit.
1) MUTE BUTTON (MUTE)
Short Press the MUTE button to mute the audio output, and "Mute" will appear on the display.
Press the mute button again to restore the audio output to the previous level.
12) DISP BUTTON(DISP)
Press this button briefly, the LCD will display the clock for about 5 seconds, then return to
previous display mode.
3) ENCODER VOLUME KNOB
Turn this knob to adjust desired volume level.
4) SOURCE BUTTON (SRC)
Press this button to select different mode , sequence as follow:
A) Tuner mode (Radio)
B) CDP / MP3 (only if a CD or MP3 disc is inserted)
C) USB (only if a USB drive is inserted)
D) SD / MMC (Only if a SD or MMC card is inserted)
E) AUX IN (only if this unit with this features)
SOURCE PRIORITY
Whenever a USB or SD/MMC is being inserted, unit will automatically switch to USB or
SD/MMC mode, does not matter the unit is currently in what mode.
When in USB or SD / MMC mode, if the USB or SD / MMC is being removed, unit will
automatically switch to radio mode.
16) FRONT PANEL AUX-IN JACK
Connect the external signal to AUX in jack located at the front of the panel , then press
SOURCE button to select Aux mode. Press SOURCE Button again to cancel Aux Mode and
return to previous mode.
1
OPEN THE AUX-IN JACK DOOR/COVER
TO ACCESS TO THE AUX-IN JACK
RESET BUTTON
The RESET button is located on the main unit (as shown on the diagram). To press it vertically with
a ballpoint pen or metal object will activate it. The reset button is to be activated for the following
reasons:
Initial installation of the unit when all wiring is completed.
All the function buttons do not operate.
Error symbol on the display.
Note: If press RESET button, the unit still cannot function normally, please use a cotton swab
soaked in isopropyl alcohol to clean the socket on the back of the control panel.
)
AUX IN
FRONT CABINET
LEFT TRACK
RIGHT TRACK
AUX IN
8
2
GROUND

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